<?php

require_once(PHPWS_SOURCE_DIR . "core/Manager.php");

require_once(PHPWS_SOURCE_DIR . "core/Error.php");

require_once(PHPWS_SOURCE_DIR . "core/Form.php");

require_once(PHPWS_SOURCE_DIR . "mod/phatform/class/advViews.php");

/**
 * Form Manager Class
 *
 * @version $Id: FormManager.php,v 1.57 2004/09/13 21:39:46 darren Exp $
 * @author  Steven Levin <steven@NOSPAM.tux.appstate.edu>
 * @author  Adam Morton <adam@NOSPAM.tux.appstate.edu>
 * @package Phat Form
 */
class PHAT_FormManager extends PHPWS_Manager {

  /**
   * The PHAT_Form object of the current form the user is insterested in.
   *
   * @var     object
   * @example $this->form = new PHAT_Form(6);
   * @access  public
   */
  var $form = NULL;

  /**
   * The constructor for the PHAT_FormManager
   *
   * @access public
   */
  function PHAT_FormManager() {
    $this->setModule("phatform");
    $this->setRequest("PHAT_MAN_OP");
    $this->setTable("mod_phatform_forms");
  }// END FUNC PHAT_FormManager

  /**
   * Returns the templated menu for this form manager.
   *
   * @return string The templated menu ready for display.
   * @access private
   */
  function menu() {
    $links = array();

    $links[] = "<a href=\"./index.php?module=phatform&amp;PHAT_MAN_OP=NewForm\">".$_SESSION["translate"]->it("New Form")."</a>";
    $links[] = "<a href=\"./index.php?module=phatform&amp;PHAT_MAN_OP=List\">".$_SESSION["translate"]->it("List Forms")."</a>";

    if(!isset($this->form) || $this->form->isArchiveView()) {
      if($_SESSION["OBJ_user"]->allow_access("phatform", "archive_form"))
	$links[] = "<a href=\"./index.php?module=phatform&amp;PHAT_MAN_OP=viewArchives&amp;PDA_start=0\">".$_SESSION["translate"]->it("List Archives")."</a>";

      if($_SESSION["OBJ_user"]->allow_access("phatform", "report_export"))
	$links[] = "<a href=\"./index.php?module=phatform&amp;PHAT_MAN_OP=viewExports&amp;PDA_start=0\">".$_SESSION["translate"]->it("List Exports")."</a>";
    }

    if(isset($this->form) && !$this->form->isArchiveView()) {
      $id = $this->form->getId();
      if(isset($id)) {
	if($_SESSION["OBJ_user"]->allow_access("phatform", "edit_forms")) {
	  $links[] = "<a href=\"./index.php?module=phatform&amp;PHAT_FORM_OP=editSettings\">".$_SESSION["translate"]->it("Settings")."</a>";
	}
	
	if(!$this->form->isSaved() && $_SESSION["OBJ_user"]->allow_access("phatform", "edit_forms")) {
	  $links[] = "<a href=\"./index.php?module=phatform&amp;PHAT_FORM_OP=editElements\">".$_SESSION["translate"]->it("Elements")."</a>";
	}

	if($_SESSION["OBJ_user"]->allow_access("phatform", "edit_options")) {
	  $links[] = "<a href=\"./index.php?module=phatform&amp;PHAT_MAN_OP=Options\">".$_SESSION["translate"]->it("Option Sets")."</a>";
	}
      }
      
      if($this->form->isSaved() && $_SESSION["OBJ_user"]->allow_access("phatform", "report_view")) {
	$links[] = "<a href=\"./index.php?module=phatform&amp;PHAT_FORM_OP=report\">".$_SESSION["translate"]->it("Report")."</a>";
      }

      if($this->form->isSaved() && $_SESSION["OBJ_user"]->allow_access("phatform", "archive_form")) {
	$links[] = "<a href=\"./index.php?module=phatform&amp;PHAT_FORM_OP=archive\">".$_SESSION["translate"]->it("Archive")."</a>";
      }
    }

    $tags = array();
    $tags['LINKS'] = implode("&#160;|&#160;", $links);

    return PHPWS_Template::processTemplate($tags, "phatform", "manager/menu.tpl");
  }// END FUNC _menu

  /**
   * Required function for PHPWS_Manager
   *
   * This function is called via the PHPWS_Manager list.  It loads the form
   * $ids[0] from the database and enters edit mode for that form.
   *
   * @param  array $ids The ids of the items that were selected from the PHPWS_Manager list.
   * @access private
   */
  function _edit($ids) {
    /* Make sure this user has access to edit the current form */
    if($_SESSION["OBJ_user"]->isDeity() || $_SESSION["OBJ_user"]->allow_access("phatform", "edit_forms")) {
      $this->form = new PHAT_Form($ids[0]);

      /* Make sure this user owns and can edit the selected form */
      if(!$_SESSION["OBJ_user"]->isDeity() && 
	 ($_SESSION["OBJ_user"]->allow_access("phatform", "user_forms_only") &&
	  ($this->form->getOwner() != $_SESSION["OBJ_user"]->username))) {
	$this->_accessDenied();
      }

      $content = array();
      $content[] = $this->menu();
      if($this->form->isSaved())
	$content[] = $this->form->editSettings();
      else
	$content[] = $this->form->view(TRUE);
    } else {
      $this->_accessDenied();
    }

    $GLOBALS["CNT_phatform"]["content"] = implode("\n", $content);
  }// END FUNC _edit

  /**
   * Required function for PHPWS_Manager
   *
   * This function is called via the PHPWS_Manager list.  It loads the form
   * $ids[0] from the database and enters view mode for that form.
   *
   * @param  array $ids The ids of the items that were selected from the PHPWS_Manager list.
   * @access private
   */
  function _view($ids) {
    $content = array();
    $this->form = new PHAT_Form($ids[0]);
    if($_SESSION["OBJ_user"]->allow_access("phatform")) {
      $content[] = $_SESSION["PHAT_FormManager"]->menu();
      $content[] = $this->form->view();
    } else {
      $content[] = $this->form->view();
    }

    $GLOBALS["CNT_phatform"]["content"] = implode("\n", $content);
  }// END FUNC _view

  /**
   * Required function for PHPWS_Manager
   *
   * This function is called via the PHPWS_Manager. It is used to allow the Manager
   * to send itself to it's list.
   *
   * @access private
   */
  function _list() {
    $this->init();
    $this->setTable("mod_phatform_forms");
    /* Check if user has admin access to phatform */
    if($_SESSION["OBJ_user"]->allow_access("phatform")) {
      unset($this->form);
      $content = array();

      /* Show menu to admin user */
      $content[] = $this->menu();

      /* Always show the saved/approved forms to the admin user */
      /* Make sure user isn't a deity and then see if they can only edit their forms */
      $content[] = $this->getList("saved", $_SESSION["translate"]->it("Saved Forms"));

      /* If a user can edit forms, show the unsaved ones */
      if($_SESSION["OBJ_user"]->allow_access("phatform", "edit_forms")) {
	$content[] = "<hr />" . $this->getList("unsaved", $_SESSION["translate"]->it("Unsaved Forms"));
      }

      /* Grab unapproved forms */
      if($_SESSION["OBJ_user"]->allow_access("phatform", "approve_forms")) {
      	$content[] = "<hr />" . $this->getList("unapproved", $_SESSION["translate"]->it("Unapproved Forms"));
      }
    } else {
      /* Not an admin user so only show them a list of available forms */
      $content[] = $this->getList("user", $_SESSION["translate"]->it("Forms"));
    }

    $GLOBALS['CNT_phatform']['title'] = PHAT_TITLE;
    $GLOBALS["CNT_phatform"]["content"] = implode("\n", $content);
  }// END FUNC _list

  /**
   * Displays a confirmation for deletion of forms and carries out the delete.
   *
   * @param  array $ids An array of form ids of forms to be deleted.
   * @access private
   */
  function _delete($ids) {
    if(isset($_REQUEST["yes"])) {
      foreach($ids as $id) {
	$this->form = new PHAT_Form($id);
	$this->form->delete();
	unset($this->form);
      }
    } elseif(isset($_REQUEST["no"])) {
      $this->_list();
      return;
    } else {
      $title = $_SESSION['translate']->it("Delete form confirmation");
      $content = $this->_confirmDelete($ids);
      $GLOBALS["CNT_phatform"]["title"] = $title;
      $GLOBALS["CNT_phatform"]["content"] = $content;
    }
  }

  /**
   * Returns the templated confirmation for deleting multiple items from a list.
   *
   * @param array   $ids     An array of item ids to be deleted.
   * @return string The templated confirmation message.
   * @access private
   */
  function _confirmDelete($ids) {
    /* Make sure an array of ids was recived before asking to confirm */
    if(!is_array($ids)) {
      $this->_list();
      return;
    }

    $elements = array();
    $elements[0] = "";
    $confirmTags = array();
    $confirmTags['ITEMS'] = ""; 
    
    $confirmTags["MESSAGE"] = $_SESSION["translate"]->it("Are you sure you wish to delete the following forms?  All data associated with these forms will be lost!");
    $confirmTags["YES_BUTTON"] = PHPWS_Form::formSubmit("Yes", "yes");
    $confirmTags["NO_BUTTON"] = PHPWS_Form::formSubmit("No", "no");

    /* Step through ids and grab the names of each form */
    foreach($ids as $key=>$id) {
      $temp = new PHAT_Form($id);
      $confirmTags["ITEMS"] .= $key+1 . ". " . $temp->getLabel() . "<br />";
      $elements[0] .= PHPWS_Form::formHidden("PHPWS_MAN_ITEMS[]", $id);
    }

    /* Finish creating elements array for form */
    $elements[0] .= PHPWS_Form::formHidden("module", $this->_module);
    $elements[0] .= PHPWS_Form::formHidden("PHAT_MAN_OP", "delete");
    $elements[0] .= PHPWS_Template::processTemplate($confirmTags, "phatform", "manager/confirm.tpl");

    return PHPWS_Form::makeForm("PHPWS_MAN_Deletion", "index.php", $elements);
  } // END FUNC _confirmDelete()

  /**
   * Prints an access denied message and exits the script.
   *
   * @access private
   */
  function _accessDenied() {
    $error = new PHPWS_Error("phatform",
			     "PHAT_FormManager::action",
			     $_SESSION["translate"]->it("ACCESS DENIED!"),
			     "continue",
			     PHAT_DEBUG_MODE);
    $error->errorMessage();
  }


  /**
   * Allows you to edit and delete saved option sets
   *
   * @access private
   */
   
  function _listOptions() {
    $this->init();
    $GLOBALS['CNT_phatform']['title'] = PHAT_TITLE;
     
    $content = array();
    $content[] = $this->menu();
    $this->setTable("mod_phatform_options");
    $content[] = $this->getList("options", $_SESSION['translate']->it("Option Sets"));
    $this->setTable("mod_phatform_forms");
     
    return implode("\n", $content);
  }


  function _editOptions() {
    if($_SESSION['OBJ_user']->allow_access("phatform", "edit_options")) {
      if((isset($_REQUEST['PHAT_OptionSetId']) && !is_numeric($_REQUEST['PHAT_OptionSetId'])) || isset($_REQUEST['PHAT_OptionBack'])) {
	$_REQUEST['PHAT_MAN_OP'] = "Options";
	$this->action();
	return;
      } else {
	$optionSetId = $_REQUEST['PHAT_OptionSetId'];
      }
       
      if(isset($_REQUEST['PHAT_SaveOptionSet'])) {
	if(is_array($_REQUEST['PHAT_ElementOptions']) && is_array($_REQUEST['PHAT_ElementValues'])) {
	  for($i = 0; $i < sizeof($_REQUEST['PHAT_ElementOptions']); $i++) {
	    $_REQUEST['PHAT_ElementOptions'][$i] = PHPWS_Text::parseInput($_REQUEST['PHAT_ElementOptions'][$i]);
	    $_REQUEST['PHAT_ElementValues'][$i] = PHPWS_Text::parseInput($_REQUEST['PHAT_ElementValues'][$i]);
	  }
	   
	  $options = addslashes(serialize($_REQUEST['PHAT_ElementOptions']));
	  $values = addslashes(serialize($_REQUEST['PHAT_ElementValues']));
	  $saveArray = array("optionSet"=>$options,
			     "valueSet"=>$values
			     );
	   
	  $GLOBALS['core']->sqlUpdate($saveArray, "mod_phatform_options", "id", $optionSetId);
	}
      } else if(isset($_REQUEST['PHAT_delete'])) {
	$GLOBALS['core']->sqlDelete("mod_phatform_options", "id", $optionSetId);
	$_REQUEST['PHAT_MAN_OP'] = "Options";
	$this->action();
	return;
      }
       
      $GLOBALS['CNT_phatform']['title'] = PHAT_TITLE;
       
      $sql = "SELECT * FROM ".PHPWS_TBL_PREFIX."mod_phatform_options WHERE id='$optionSetId'";
      $result = $GLOBALS['core']->quickFetch($sql);
       
      if($result) {
	$elements = array();
	$elements[] = PHPWS_Form::formHidden("module", $this->_module);
	$elements[] = PHPWS_Form::formHidden("PHAT_MAN_OP", "editOptions");
	$elements[] = PHPWS_Form::formHidden("PHAT_OptionSetId", $optionSetId);
	 
	$options = unserialize($result['optionSet']);
	$values = unserialize($result['valueSet']);
	 
	$editTags = array();
	$editTags['TITLE'] = $_SESSION['translate']->it("Edit option set")."&#160;{$result['label']}";
	$editTags['NUMBER_LABEL'] = $_SESSION['translate']->it("Option");
	$editTags['INPUT_LABEL'] = $_SESSION['translate']->it("Text");
	$editTags['VALUE_LABEL'] = $_SESSION['translate']->it("Value");
	 
	$editTags['OPTIONS'] = "";
	$rowClass = NULL;
	 
	for($i = 0; $i < sizeof($options); $i++) {
	  $optionRow['OPTION_NUMBER'] = $i + 1;
	  $optionRow['OPTION_INPUT'] = PHPWS_Form::formTextField("PHAT_ElementOptions[$i]", $options[$i], PHAT_DEFAULT_SIZE, PHAT_DEFAULT_MAXSIZE);
	  $optionRow['VALUE_INPUT'] = PHPWS_Form::formTextField("PHAT_ElementValues[$i]", $values[$i], PHAT_DEFAULT_SIZE, PHAT_DEFAULT_MAXSIZE);
	  $optionRow['ROW_CLASS'] = $rowClass;
	  PHPWS_WizardBag::toggle($rowClass, "class=\"bg_light\"");
	   
	  $editTags['OPTIONS'] .= PHPWS_Template::processTemplate($optionRow, "phatform", "options/option.tpl");
	}
      }
      $editTags['BACK_BUTTON'] = PHPWS_Form::formSubmit($_SESSION['translate']->it("Back"), "PHAT_OptionBack");
      $editTags['SAVE_BUTTON'] = PHPWS_Form::formSubmit($_SESSION['translate']->it("Save"), "PHAT_SaveOptionSet");
       
      $elements[] = PHPWS_Template::processTemplate($editTags, "phatform", "options/optionList.tpl");
       
      return PHPWS_Form::makeForm("PHAT_Options_edit", "index.php", $elements);
    } else {
      $this->_list();
    }
  }

  /**
   * The action function for PHAT_FormManager
   *
   * This function checks the PHAT_MAN_OP...hehe I said phat man :)  Based on that
   * variable, action calls the required functions to complete the operation.
   *
   * @access private
   */
  function action() {
    switch($_REQUEST['PHAT_MAN_OP']) {
      case "View":
      if(isset($_REQUEST["PHAT_FORM_ID"])) {
	$this->form = new PHAT_Form($_REQUEST["PHAT_FORM_ID"]);
	if($this->form->isSaved() && !$this->form->isHidden() && $this->form->isApproved())
	  $content = $this->form->view();
	else {
	  $GLOBALS['CNT_phatform']['title'] = $this->form->getLabel();
	  $content = $_SESSION["translate"]->it("This form is not available for viewing at this time.");
	}
      } 
      break;

      case "List":
      $this->_list();
      return;
      break;

    case "viewExports":
      if(!isset($_SESSION["PHAT_advViews"]))
	$_SESSION["PHAT_advViews"] = new advViews();
      
      if(!isset($_REQUEST["EXPORT_OP"])) {
	$_SESSION["PHAT_advViews"]->intAdvViews();

	if(isset($this->form))
	  unset($this->form);
      }

      $content  = $this->menu();
      $content .= $_SESSION["PHAT_advViews"]->viewExports();
      break;

    case "viewArchives":
      if(!isset($_SESSION["PHAT_advViews"]))
	$_SESSION["PHAT_advViews"] = new advViews();
      
      if(!isset($_REQUEST["ARCHIVE_OP"])) {
	$_SESSION["PHAT_advViews"]->intAdvViews();

	if(isset($this->form))
	  unset($this->form);
      }
       
      $content  = $this->menu();
      $content .= $_SESSION["PHAT_advViews"]->viewArchives();
      break;

    case "Options":
      if($_SESSION["OBJ_user"]->allow_access("phatform", "edit_options")) {
	$content = $this->_listOptions();
      } else {
	$this->_accessDenied();
      }
      break;
      
    case "editOptions":
      if($_SESSION["OBJ_user"]->allow_access("phatform", "edit_options")) {
	$content = $this->_editOptions();
      } else {
	$this->_accessDenied();
      }
      break;
      
    case "NewForm":
      if($_SESSION["OBJ_user"]->allow_access("phatform", "edit_forms")) {
	$this->form = new PHAT_Form;
	$content = $this->menu();
	$content .= $this->form->editSettings();
      } else {
	$this->_accessDenied();
      }
      break;
      
    }// END PHAT_MAN_OP SWITCH
    
    if(isset($content)) {
      $GLOBALS["CNT_phatform"]["content"] .= $content;
    }
  }// END FUNC action

}// END CLASS PHAT_FormManager

?>